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Tension or Temperature. Dogs may shake as a way of relieving tension. If a dog is feeling nervous or uncomfortable in a situation, it might shake the whole body as a way of shaking out tension. This behavior also may function as a means of getting attention from other dogs or people.
When dogs are playing with you or other dogs they might occasionally shudder while jumping, licking, or nuzzling. Itâs how they show emotion. While happy shaking isnât necessarily a problem, some dogs do get overly hyper. In those instances, you might want to consider behavioral training methods that teach dogs how to reign in their excitement. 2.